antacid

Definitions of antacid
  1. noun
    an agent that counteracts or neutralizes acidity (especially in the stomach)
    synonyms: alkaliser, alkalizer, antiacid, gastric antacid
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    types:
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    Tagamet, cimetidine
    a drug (trade name Tagamet) used to treat peptic ulcers by decreasing the secretion of stomach acid
    Zantac, ranitidine
    a histamine blocker and antacid (trade name Zantac) used to treat peptic ulcers and gastritis and esophageal reflux
    Alka-seltzer
    a commercial antacid that contains aspirin; tablets dissolve in water to give an effervescent solution
    Brioschi
    an antacid
    Bromo-seltzer
    an antacid
    Maalox
    an antacid
    Mylanta
    an antacid
    Prilosec, omeprazole
    antacid (trade name Prilosec) that suppresses acid secretion in the stomach
    Pepto-bismal
    an antacid
    Rolaids
    an antacid
    Tums
    an antacid
    type of:
    agent
    a substance that exerts some force or effect
  2. adjective
    acting to neutralize acid (especially in the stomach)
    Synonyms:
    antagonistic, incompatible
    used especially of drugs or muscles that counteract or neutralize each other's effect
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